why s magnfcation produced by a concave lens is always less than 1.
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It is because of irrespective of the position of the object,a concave lens always produces a virtual and erect image on the same side of the lens which is smaller in size which results in magnificatin less than 1
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The magnification for lenses and mirrors is defined as the image height divided by the object height. ... For a concave lens, the “magnification” is always less than 1. In other words, the image is actually smaller than the object. The distance of a virtual image is very hard to gauge
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it is because focal length of concave mirror is positive.
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